In 2023, about 12.55 million people lived in Illinois. This was a decrease from the previous year, when about 12.58 million people lived in the state. In 1960, the resident population of Illinois was about 10.08 million people.
Resident population in Illinois in the United States from 1960 to 2023
(in millions)
1960 to 2000 data as of April 1, data for other years as of July 1. Insofar as possible, population shown for all years is that of present area of state.
* The April 1, 1990, census counts include corrections processed through August 1997, results of special censuses and test censuses, and do not include adjustments for census coverage errors.
Data from previous years can be found here.
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US Census Bureau. (June 29, 2024). Resident population in Illinois in the United States from 1960 to 2023 (in millions) [Graph]. In Statista. Retrieved November 10, 2024, from https://www-statista-com.ezproxy.canberra.edu.au/statistics/206123/resident-population-in-illinois/
US Census Bureau. "Resident population in Illinois in the United States from 1960 to 2023 (in millions)." Chart. June 29, 2024. Statista. Accessed November 10, 2024. https://www-statista-com.ezproxy.canberra.edu.au/statistics/206123/resident-population-in-illinois/
US Census Bureau. (2024). Resident population in Illinois in the United States from 1960 to 2023 (in millions). Statista. Statista Inc.. Accessed: November 10, 2024. https://www-statista-com.ezproxy.canberra.edu.au/statistics/206123/resident-population-in-illinois/
US Census Bureau. "Resident Population in Illinois in The United States from 1960 to 2023 (in Millions)." Statista, Statista Inc., 29 Jun 2024, https://www-statista-com.ezproxy.canberra.edu.au/statistics/206123/resident-population-in-illinois/
US Census Bureau, Resident population in Illinois in the United States from 1960 to 2023 (in millions) Statista, https://www-statista-com.ezproxy.canberra.edu.au/statistics/206123/resident-population-in-illinois/ (last visited November 10, 2024)
Resident population in Illinois in the United States from 1960 to 2023 (in millions) [Graph], US Census Bureau, June 29, 2024. [Online]. Available: https://www-statista-com.ezproxy.canberra.edu.au/statistics/206123/resident-population-in-illinois/
